Page 137 - The Manga Guide to Biochemistry
P. 137
?2mystery Why do you gain weight if you overeat?
When expended energy is less than ingested energy, That’s
the body stores the excess ingested energy as fat. everything!
There are two main ways that fat is formed.
One is the process in which ingested lipids (that
is, triacylglycerol) are directly accumulated as fat.
The other converts saccharides into fat.
Fat is an efficient energy storage material.
Fatty acid is But it can be awfully
great at storing difficult to use up all
energy. the extra fat you’ve
stored...
It’s incredible,
really. It keeps Puff
us alive! Wheeze
Fat
For a wild animal trying sigh
not to starve, fat is really Biochemistry in Our Everyday Lives 123
important. But for modern
people who worry about
their weight, it’s a little more
complicated than that...
